Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index (IEC 60268-16:2003); German version EN 60268-16:2003— 29 стр.
Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index (IEC 60268-16:2011); German version EN 60268-16:2011— 74 стр.
Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index (IEC 60268-16:1998); German version EN 60268-16:1998— 17 стр.
Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index (IEC 60268-16:1998); German version EN 60268-16:1998— 17 стр.
Maritime navigation and radiocommunication equipment and systems - Shipborne voyage data recorder (VDR) - Performance requirements; Methods of testing and required test results (IEC 61996:2000); German version EN 61996:2000— 52 стр.
Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index (IEC 60268-16:2011); German version EN 60268-16:2011— 74 стр.